DrJack's BLIPSPOT for: FRI 12/19 Atkins_VA 2558ft pt29724@36.958,-81.342,2720ft SPONSORED BY: Randy Newberry BLIPSPOT sfc.temp. adjusted by -0.5 degF RUC - Last Analysis,Validation Time = 12Z 0Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - - - - 0659z - - 1002z - - 1334z Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 29.7 - - 29.2 - - 28.1 Temp@2m Sfc.Heating - - - - - - 161 - - 55 - - 39 Sfc.Heating BL Depth - - - - - - 2169 - - 256 - - 256 BL Depth Hcrit - - - - - - 3652 - - 2797 - - 2798 Hcrit BL Top - - - - - - 4727 - - 2814 - - 2814 BL Top Hgt.Variab. - - - - - - 778 - - 1888 - - 1358 Hgt.Variab. W* - - - - - - 296 - - 102 - - 91 W* B/S - - - - - - 2 - - 1 - - 1 B/S BL Wind - - - - - - 34 - - 16 - - 15 BL Wind Direction - - - - - - 272 - - 277 - - 282 Direction Wind Shear - - - - - - 23 - - 0 - - 0 Wind Shear Max.Converg - - - - - - -36 - - -4 - - -4 Max.Converg CLOUDpotent - - - - - - 1228 - - -1175 - - -938 CLOUDpotentl sfcLCL - - - - - - 3499 - - 3990 - - 3752 sfcLCL ODpotential - - - - - - 411 - - -12626 - - -15802 ODpotential blCL - - - - - - 4316 - - 15440 - - 18616 blCL maxRH - - - - - - 96 - - 77 - - 79 maxRH CAPE - - - - - - 0 - - 0 - - 0 CAPE Temp@2m - - - - - - 29.7 - - 29.2 - - 28.1 Temp@2m DewPt@2m - - - - - - 24.4 - - 21.8 - - 21.8 DewPt@2m Temp@Bot - - - - - - 28.7 - - 28.5 - - 27.5 Temp@Bot DewPt@Bot - - - - - - 23.4 - - 21.0 - - 21.2 DewPt@bot Sfc.Heating - - - - - - 161 - - 55 - - 39 Sfc.Heating BL Depth - - - - - - 2169 - - 256 - - 256 BL Depth EXPERIMENT - - - - - - 83 - - 8 - - 15 EXPERIMENT EXPERIMENT2 - - - - - - 3 - - 3 - - 3 EXPERIMENT2 PROFILES OF WIND SPEED [kt] AND DIRECTION [degTrue] ----------------------------------- VALIDATION TIME --------------------------------------- Height 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z [ft] ------------------------------------------------------------------------------------------- [ft] 96462 33 238 34 272 21 259 96462 89352 14 217 22 225 17 247 89352 83892 12 231 21 189 16 221 83892 79332 12 237 15 201 14 230 79332 75381 10 236 10 203 17 240 75381 71861 14 258 14 208 19 226 71861 68637 21 252 20 247 27 246 68637 65671 29 247 24 244 32 242 65671 62930 25 231 26 236 28 236 62930 60265 32 252 34 250 31 243 60265 57467 53 242 47 245 39 256 57467 54551 52 244 49 243 42 257 54551 51756 55 247 49 251 72 276 51756 49264 63 247 76 265 91 262 49264 47078 77 256 100 249 71 261 47078 45098 90 250 82 238 65 259 45098 43263 90 238 61 246 58 256 43263 41549 84 228 61 252 57 265 41549 39945 67 227 66 260 65 276 39945 38457 55 240 70 270 80 290 38457 37081 58 260 80 283 99 296 37081 35773 73 269 92 284 101 291 35773 34462 88 268 100 280 92 284 34462 33114 95 263 96 276 82 278 33114 31726 92 261 79 278 67 280 31726 30288 87 262 66 282 65 289 30288 28789 87 268 65 289 72 288 28789 27228 93 273 67 298 79 281 27228 25600 98 276 80 298 82 275 25600 23905 103 273 94 295 79 273 23905 22146 105 275 104 290 75 273 22146 20316 99 284 109 292 75 273 20316 18409 90 284 99 296 77 276 18409 16462 88 273 79 292 73 282 16462 14586 89 273 69 284 64 285 14586 12887 86 280 66 285 55 286 12887 11383 78 283 63 290 49 286 11383 10050 71 280 60 292 46 287 10050 8867 67 277 58 290 47 289 8867 7815 65 277 58 287 49 290 7815 6884 62 278 57 287 50 292 6884 6066 55 278 55 288 49 292 6066 5343 44*274 51 287 48 292 5343 4699 40*272 43 282 44 289 4699 4134 38 272 38 279 39 286 4134 3664 36 272 36 278 34 284 3664 3303 34 272 33 278 32 283 3303 3053 30 272 29 278 28 283 3053 2901 25 272 24*278 23*283 2901 2814 17 272 16*277 15*282 2814 PARAMETER KEY: (basic parameter information is provided at http://www.drjack.info/BLIP/INFO/basic_parameters.html) (more complete parameter descriptions are at http://www.drjack.info/BLIP/RUC/INFO/parameters.html) (additional help is at http://www.drjack.info/BLIP/INFO/index.html, e.g. "For NEW USERS" section) --------------------------------------------------------------------------------------------------- Update Time = UTC Time of BLIPSPOT calculation FCST PERIOD = Hours from model initialization time Temp@2m = Temperature at 2m AGL [F] Sfc.Heating = Surface Heating of atmosphere [W/m^2] BL Depth = Depth of the Boundary (Mixing) Layer [ft] Hcrit = Height of Critical Updraft Strength [ftMSL] BL Top = Height of Boundary Layer Top (TI=0 height) [ftMSL] Hgt.Variab = Thermal Height Variability (difference between TI=+4{F} & TI=0 Heights) [ft] W* = Thermal Updraft Velocity (subtract glider sink rate to get vario) [fpm] B/S = Buoyancy/Shear Ratio (thermals may be unworkable if 5 or less) BL Wind = Wind Speed averaged through BL [kt] Direction = Wind Direction averaged through BL [degTrue] Max.Converg = Max. Vertical Velocity created by BL Convergence [x10^-2 kt] (note: BLIPMAPs provide better evaluation since convergence lines are usually mobile CLOUDpotent = Expect clouds at or above sfcLCL if positive (difference between H(TI=0) & sfcLCL) [ft] sfcLCL = Base of Lowest Clouds, if CLOUDpotent>0 (LCL = Lifting Condensation Level based upon sfc. humidity) [ftMSL] ODpotential = Expect extensive clouds at blCL if positive (difference between H(TI=0) & blCL) [ft] bLCL = Base of Extensive Clouds, if ODpotential>0 (bl CL = Condensation Level based upon BL humidity) [ftMSL] maxRH = Maximum Relative Humidity in BL [%] CAPE = Convective Available Potential Energy [J/kg] Temp@2m = Temperature at 2m AGL [F] DewPt@2m = Dew Point Temp. at 2m AGL [F] Temp@Bot = Temperature at 16m AGL (bottom of grid) [F] (intended for DrJack's use) DewPt@Bot = Dew Point Temp. at 16m AGL (bottom of grid) [F] (intended for DrJack's use) Sfc.Heating = Surface Heating of atmosphere [W/m^2] BL Depth = Depth of the Boundary (Mixing) Layer [ft] EXPERIMENT = Mystery variable for test purposes (intended for DrJack's use) * = Indicates BL Top (TI=0 Height) on profiles Note: printed heights are for 18Z - heights for other times differ slightly Results neglect thermals created by small-scale features not resolved by the smoothed model topography